Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011267)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011267 advisory. In the Linux kernel, the following vulnerability has been resolved: ocfs2: clear extent cache after moving/defragmenting extents The extent map cache can become stal...

EUVD-2025-201226

In the Linux kernel, the following vulnerability has been resolved: ocfs2: clear extent cache after moving/defragmenting extents The extent map cache can become stale when extents are moved or defragmented, causing subsequent operations to see outdated extent flags. This triggers a BUGON in...

CVE-2025-40233 ocfs2: clear extent cache after moving/defragmenting extents

In the Linux kernel, the following vulnerability has been resolved: ocfs2: clear extent cache after moving/defragmenting extents The extent map cache can become stale when extents are moved or defragmented, causing subsequent operations to see outdated extent flags. This triggers a BUGON in...

CVE-2025-40233

In CVE-2025-40233, the Linux kernel OCFS2 subsystem fixes a stale extent map cache that can occur during reflinked extent moves/defrag, triggering BUG_ON in ocfs2_refcount_cal_cow_clusters(). The issue arises when copy_file_range() creates a reflinked extent with OCFS2_EXT_REFCOUNTED, then FITRIM...